diff --git a/.github/workflows/rc.yml b/.github/workflows/rc.yml
index 967f159c..820e9df4 100644
--- a/.github/workflows/rc.yml
+++ b/.github/workflows/rc.yml
@@ -18,7 +18,7 @@ jobs:
           echo "---"
           echo $GITHUB_REF
           echo ${GITHUB_REF##*/}
-          echo "${GITHUB_REF##*/}#{$prefix}"
+          echo "${GITHUB_REF##*/}#$prefix"
           echo "---"
           echo 'RELEASE_BRANCH_NAME=v${GITHUB_REF##*/}#"$prefix"' >> $GITHUB_ENV
           echo $RELEASE_BRANCH_NAME